Home / 154,323.04-231,506.73-47,715.30

Finding the Fourth Proportional to 154,323.04, 231,506.73 and 47,715.30

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Solution

The fourth proportional to 154,323.04, 231,506.73 and 47,715.30 is: 71,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,323.04 : 231,506.73 = 47,715.30 : x
  2. Step 2: Convert to fraction form
    154,323.04/231,506.73 = 47,715.30/x
  3. Step 3: Cross multiply
    154,323.04x = 231,506.73 × 47,715.30
  4. Step 4: Simplify right side
    154,323.04x = 11,046,413,252.90
  5. Step 5: Solve for x
    x = 11,046,413,252.90/154,323.04
  6. Step 6: Final answer
    x = 71,579.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.